Tenua villersensis
From dinoflaj3
"villersensis" Sarjeant, 1968, p.231–232, pl.1, fig.16; pl.2, figs.5–10. Holotype: Sarjeant, 1968, pl.1, fig.16; Fauconnier and Masure, 2004, pl.70, fig.5. NOW Sentusidinium. Originally Tenua Eisenack, subsequently Batiacasphaera, thirdly (and now) Sentusidinium. Age: early Callovian–early Oxfordian.
Parent: Tenua_Eisenack 1958a